Toshiba DP120F Service Manual page 615

Use the [ ↑ ] or [ ↓ ] key to select "1. AUTO TEST", and then press the [ENTER] key.
(1)
The auto test starts, and
AUTO TEST
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<Remarks>
(2) When all the tests end, the "OPERATION COMPLETED" message is displayed and the
display returns to showing the standby mode screen.
<Remarks>
March 2000 © TOSHIBA TEC
appears on the screen indicating that the test is in execution.
To suspend the auto test, press the [STOP] key.
The result of the auto test can be checked with the self test report. For
printing the self test report, refer to "1.3 TEST RESULT LIST" on page 11-
14.
If the result of the auto test is judged to be NG, perform the relevant func-
tion test listed above to solve the problem.
AUTO TEST
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11-3 DP120F/DP125F Troubleshooting